Home / 27,411.28-41,120.80-8,437.48

Finding the Fourth Proportional to 27,411.28, 41,120.80 and 8,437.48

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Solution

The fourth proportional to 27,411.28, 41,120.80 and 8,437.48 is: 12,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,411.28 : 41,120.80 = 8,437.48 : x
  2. Step 2: Convert to fraction form
    27,411.28/41,120.80 = 8,437.48/x
  3. Step 3: Cross multiply
    27,411.28x = 41,120.80 × 8,437.48
  4. Step 4: Simplify right side
    27,411.28x = 346,955,927.58
  5. Step 5: Solve for x
    x = 346,955,927.58/27,411.28
  6. Step 6: Final answer
    x = 12,657.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.